Battery-terminal puller



J. F. AFFOLTER BATTERY TERMINAL FULLER Filed Sept. 17, 1929 Aug. 12, 1930.

8 5 2 r! a 1w :252 0 I M 9- I 4 f w z n I m n F J 2 Patented Aug. 12, 1930 JOHN FRANKLIN AFFOLTER, F DENNISON OHIO BATTERY-TERMINAL PULLER I Application filed September 17, 1929. Serial No.893 ,217.

This invention relates to apparatus for removing and handling split-collar terminals of storage batteries.

Owing to wedging action on the post and corrosion by battery fluid these terminals are sometimes difficult of removal, and injuryfrequently results to the parts them selves ,and adjacent battery structure by rough treatment in separating the members.

, Furthermore, it is often desirable after removal of the terminal, to perform cleaning, adjusting and repair operations thereon, such as removal of incrustations, spreading of the ends for the next application and renewal of the clamping bolt.

The object of my invention is to save time and labor in the removal and after-treatment of battery terminals. It provides a pulling tool which is also adapted to grasp and spread the terminal after removal, being the first device, so far as I am aware, to combine these functions in one instrument.

Of the accompanying drawings, 7

Fig. 1 is a side elevation showing a preterred embodiment of my improved pulling and handling tool in position for removing a battery terminal, the terminal being shown invertical section. v

Fig. 2 is a horizontal section on the line 22 of Fig. 1.

Fig. 3 is a vertical edge View of the tool.

7 Fig. 4 is a sideelevation, partly in section,

showing the lower part of the tool and the work after the terminal has been pulled. and drawn upwardly against the wedge coneof the tool.

The pulling tool herein illustrated and de-;

scribed represents one of several possible embodiments of my invention, and it will be un-derstoodthat in a broad sense, form is not of the essence of the invention, especially as to the jaw structure and the forcing means, but these parts might be widely varied.

Referring to the drawings, 10 represents one corner of a storage battery having the usual tapered electrode post 11 with a split clamping collar or terminal 12 thereon, the latter having a complementally tapered socket and a clamping bolt 13 for drawing its ends together, and being attached to the external circuit .wire 14. Y.

The pulling and handling toolas illustrated includes a nut block or head 15 longitudinally apertured and threaded to receive a forcing screw 16. and formed with lateral ears 17 on which are suspended a pair of jaw arms 18 by means of pivot pins 19, the upper ends of the arms being forked to receive the ears as shown in F ig. 3. The lower ends of the arms, or the aws proper 20, are hooked or turned inward horizontally at right-angles in L-shaped relation to the ver tical stems orshanks, to take under the battery terminal 12. Their ends are tapered to a thin edge as viewed from the side, and are arcuately'recessed to conform to the terminal post 11 and somewhat spread laterally as viewed from above (see Fig. 2), to give ample bearing surface, the corners forming points or cusps 21 for penetrating accumulations under the terminal. The jaw arms 18 can swing freely without restraint to vary their. distance apart, and the ends of their jaws may be brought close together. This 5 permits them to be quickly adjusted tothe work and allows them to be grasped in one hand and drawn together for a good bearing under the terminal.

The screw 16-has a horizontal handle 22 gg at its upper end for turning it. At the lower end it is provided with an inverted, truncat ed, wedge cone 23 whose-smaller extremity is of less diameter thanthe smallest battery post 11 for which the tool is intended, and 35 is adapted to bear against the upper end of the post to exert a forcing pressure for removal ofthe. terminal. The upper end or base of the wedge cone is of larger diameter than the. space between the jaws 20 in their position of nearest approach, so that said jaws can get Well under the wedge cone and the terminal. a

In the operation of my invention, after loosening the collar bolt 13, the tool is positione-d with relation to the work as represented in Fig. 1, and by turning down the screw 16 while the small end of the wedge cone 23 bears against the post 11, the nut block 15, the arms 18 and their jaws 20 are loo raised to pull the terminal 12 free of said post. A continuation of the screwing movement further raises the jaws until the cone 23 enters one end of the terminal and the latter is brought up against the cone by the jaws engaging its opposite or lower end. Thereby the terminal will be grasped and held between the jaws and cone as indicated in Fig. 4, the wedging action being utilized, if desired, to open up or spread the terminal to facilitate its next application to the post;

While the terminal is thus held, it may be cleaned by scraping and/or immersion of the terminal and lower portions of the tool in a cleaning liquid such as a'solution of bicarbonate of soda for removing incrustations. A new bolt may also be fitted, if required, while the terminal is thus mounted in the tool. I a

lailyimproved pulling and handling tool thus saves a large amount of time and labor in removing battery terminals and performing vsubsequent operations thereon, and it avoids injury to the battery. In its gripping and spreading action it also coacts with the work in a novel manner as explained above.

I claim:

i 1. A tool for pulling and handling splitcollar battery terminals comprising a jaw structure for taking under the collar, and forcing means for engaging the end of the battery post, said means having a wedge device it'or coaction with said jaw structure to spread the collar. 7 a

'2. A tool for pulling and handling splitcollar battery terminals comprising a pair of pulling jaws, at least one of which is pivotally mounted and free to swing toward and from the other, and forcing means havin a wedge cone movable'in line with the space etween said jaws, said cone having a base of greater diameter than the width of said space hen the jaws are in their position of closest approach.

3. A tool for pulling and handling splitcollar battery terminals, comprising a nut block, a pair of pulling jaws pivoted thereon and free to swing toward and from each other, a hand screw mounted in said block, and a wedge cone on the inner end or" said screw for coaction with the jaws in gripping and spreading the collar, said cone having a small .end formed for engagement with the end of the battery post. i

' In witness whereof I have hereunto set my hand this 14th day of September, 1929.

JOHN FRANKLIN, AFFOLTER. 

